body,html{
    line-height: 1em;
    font-weight: 200;
    font-family: "PingFang SC" , "STHeitiSC-Light","helvetica-Light",arial,sans-serif;
}

@media (-webkit-min-device-pixel-ratio:1.5), (min-device-pixel-ratio:1.5){
.border-1px{
 &::after{
     -webkit-transform: scaleY(0.7);
     transform: scaleY(0.7);
 }
}
}

@media (-webkit-min-device-pixel-ratio:2), (min-device-pixel-ratio:2){
.border-1px{
 &::after{
     -webkit-transform: scaleY(0.5);
     transform: scaleY(0.5);
 }
}
}